· Place orders to the supplier according to MRP results and maintain supplier order confirmation into the system on time. · Avoid excess/obsolete materials (ramp up’s, ramp down, version changes) · Reschedule in, postpone and order cancellation based on Monitoring Tools results and follow up supplier’s feedback, maintain a new delivery schedule in ERP system. · Monitoring NegativeOnHand to solve the shortage problem. · Secure availability through alternative sources for missing material. · Escalate critical risk items through agreed escalation procedures. · Cooperate with quality and warehouse to solve the problem of defective parts and abnormal receiving from suppliers. · Optimize the supply chain with proactive input to supplier management, such as VMI agreement, consignment stock and call off, etc. · Monthly report and review supplier's performance with suppliers/sourcing/SQE and improve poor performance and finish action log which listed in the SPI report. · Keep good communication with customer teams/project responsible / production planning. · Highlight errors in price, MOQ, AVL, LTB or any other IFS basic data to Sourcing and follow to close. · Attend ECN meeting and summarize excess items and follow up new items sample providing and volume purchase. · Authorization of supplier invoices · Update fix qty to customer service